Actinic 03 Blue - 100% blue actinic 03 phosphor that peaks at 420 nanometersThe Actinic 03 Blue provides light in the 420 nanometer range that reflects color pigments in organisms such as corals, fish and invertebrates causing them to fluoresce glowing colors. Its spectrum resembles that of the absorption peak of chlorophyll-a, which is the most important pigment found in plant cells. Replacement compact fluorescent lamps for BioCube Aquarium Systems

Bulb is 16in and fit well. The actinic blue adds a nice color to the tank and the corals love it.

1 out of 1 found this review helpful

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SALLYANN WALVATNE from RENO, NV UNITED STATES

05/01/2015

Experience Level: Beginner

Actinic 03 lamp

These are the correct ones I need for my bio cube and it makes it easy being able to get my replacement parts from Marine Depot.

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MIKE RUDD from HAYMARKET, VA UNITED STATES

03/05/2015

Experience Level: Intermediate

Biocube replacement bulbs

Did exactly what I needed. Replaced the bulbs in the bio cube. Want to go with t5's but for PC bulbs they are perfect.

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ROBERT SCOTT from HAMPTON, VA UNITED STATES

08/24/2014

Experience Level: Intermediate

Light

It works!!!

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Mike from Greenwich, CT

03/06/2014

Experience Level: Intermediate

I waited too long!

I've had my BC 29 running for about 1.5 years now and just decided to replace the bulbs on it when I made a choice to hold off on upgrading my tank setup for now.. I wish I did this earlier because the lights are much brighter now that they've been replaced and the corals already are looking better. They really needed some strength back in the lighting.
Highly recommend you stay on top of the bulb replacements..

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JORGE PAPLOS from Boynton Beach, FL UNITED STATE

02/29/2012

Experience Level: Intermediate

Perfect!

Perfect fit, the listing was perfectly described to enable to pick the correct lamp first try!
Item was very well packed for safety, in the aquarium now and functioning as it should!